Simplified renin sampling with heparin as anticoagulant.
D000803:Angiotensin I / Q000097:blood; D001800:Blood Specimen Collection; D004492:Edetic Acid / Q000494:pharmacology; D006493:Heparin / Q000494:pharmacology*; D006801:Humans; D011863:Radioimmunoassay; D012083:Renin / Q000097:blood*; D013696:Temperature
D006493:Heparin; D000803:Angiotensin I; D004492:Edetic Acid; D012083:Renin